content: // Protocol Buffers - Google's data interchange format
  // Copyright 2008 Google Inc.  All rights reserved.
  // http://code.google.com/p/protobuf/
  //
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  // modification, are permitted provided that the following conditions are
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  //
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  // notice, this list of conditions and the following disclaimer.
  //     * Redistributions in binary form must reproduce the above
  // copyright notice, this list of conditions and the following disclaimer
  // in the documentation and/or other materials provided with the
  // distribution.
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  // contributors may be used to endorse or promote products derived from
  // this software without specific prior written permission.
  //
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  // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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  package com.google.protobuf.test;
  import com.google.protobuf.*;
  
  import java.io.UnsupportedEncodingException;
  import java.util.Iterator;
  
  /**
   * This class tests {@link RopeByteString#substring(int, int)} by inheriting the tests from
   * {@link LiteralByteStringTest}.  Only a couple of methods are overridden.  
   *
   * @author carlanton@google.com (Carl Haverl)
   */
  public class RopeByteStringSubstringTest extends LiteralByteStringTest {
  
    @Override
    protected void setUp() throws Exception {
      classUnderTest = "RopeByteString";
      byte[] sourceBytes = ByteStringTest.getTestBytes(22341, 22337766L);
      Iterator<ByteString> iter = ByteStringTest.makeConcretePieces(sourceBytes).iterator();
      ByteString sourceString = iter.next();
      while (iter.hasNext()) {
        sourceString = sourceString.concat(iter.next());
      }
  
      int from = 1130;
      int to = sourceBytes.length - 5555;
      stringUnderTest = sourceString.substring(from, to);
      referenceBytes = new byte[to - from];
      System.arraycopy(sourceBytes, from, referenceBytes, 0, to - from);
      expectedHashCode = -1259260680;
    }
  }
  